Assigetob



S. J. WENTWORTH. wen BUTT TACKING MACHINE.

{ APPLICATION FILED MAY I, I913- 1 1 95 04 Patented Aug. 22, 1916.

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WELT BUTT TACKING MACHINE.

APPLICATION FILED MAY 1. 19m.

1 1 95,304. Patented Aug. 22, 1916.

2 SHEETS-SHEET 2.

3% M1 Fig.2.

QAMUEL J. WENTVIORTH, OF NEWPGRT, KENTUCKY, ASSIGNOR T0 UNITED SHOE "MACHINERY COIEPANY, OF PATERSON, NEVJ JERSEY, A COR'POBATION OF NEW JEnsnY.

1W ELTBU TT-TAC KIN G MACHIN E.

menace,

Specification of Letters Patent.

Patented Aug. 22', 1916.

Application filed May 1, 1313. Serial 2%. 764,832.

ing at Newport, in the county of Campbell and State of Kentucky, have invented cer' tain Improvements in \Velt-Butt-Taclnng .Machines, of which the following description, in connection with the accompanying drawings, is a. specification, like reference characters on the drawings indicating like parts in the several figures. I

This invention relates to shoe making machines and is hereinshown as embodied in a machine for tightening uppers 01$ lasted shoes at the butt ends of the welt, position ing the welt ends and fastening the upper, or the upper and the welt ends, which ma.- chine possesses certain features of novelty that are advantageous.

Onefeature of the invention cousistsin the combination with upper tightening devices for engaging in the welt crease on the two sides of a shoe which are manually separated for the introduction of the shoe between them and are automatically closed to efl'cct the upper tightening operation of.

means to guide'the' operator. in presenting theshoe with its 'welt crease in the plane of. approach of the said devices.

Preferably 'the machine is arranged to allow lateral vibration of the shoe angularly between thetigh'tcning devices to work the upper intoqtightened position for fastening.

in accordance with another feature of the invention power driven taclrers are suspended ahove the shoe and are connected tion to fasten the upper, the tankers rang: to he in operation by the after he has tightened the upper i use the t ends in the positions to which they are moved by the crease engaging devices.

he shoe is shown as yieldingly upheld by a spindle having a last pin and mounted to slide lengthwise of the shoe in a carriage over a preferably stationary track. in accordance with another feature of the invention the spindle is raised to thrust the last up against the crease engaging blades which constitute the upper tightening devices. this means the apper'and the feather of the innersole hetween the blades and the last bottom are compressed. If the described tech vrs are used the welt and the between \vllthe tightencrs for movement by the latter itencrs, fasten the weltsubstance of the inseam is also compressed between the tackers and the last bottom,'all preparatory to the insertion of the fastenings and to the clenching of the fastenings upon the metallic heel plate of the last under conditions to render them most effective.

.In accordance witlra further feature of the invention the last spindle is opera ively connec ed with the upper tightening devices for movement vertically when said devices are moved horizontally. In the illustrated embodiment of this feature of the invention,

the last spindle is depressed when the upper tightening devices are opened, whereby to facilitate the removal of'a shoe which has been operated upon. Also said last spindle is raised when the upper tightening devices are closed, so that lifting of the stock from the last bottom by the tightening devices is avoided and the last is caused to compress the stock against the underface of the'tacker preliminarily to the insertion of the fastening tacks. of the invention. the last spindle rests upon a horizontal arm of an angle-lever which is spring actuated in the direction to uplift the last and the sai'd horizontal arrn is connected to the treadle by which the tightening devices are opened. An advantageous'feature of this construction is that there exists be tween the lifting spring and the last connections suliicient mass to absorb the blow of: the tackers and hold the shoe substantially rigid for the tacking operation.

A further feature of the invention involves a new use of two pronged tacks or In the illustrated embodiment i staples in this relation and comprises inechanisin for inserting such staples to fasten the tightened upper and also the positioned welt and counter ends to one another and to the ll'lfi8l'SOlk3. Heretofore a single pronged headed tack has been driven through the welt and into the underlying feather of the innersole. There are obvious advantages in driving the fastening into the relatively thick body portion of'the innersole instead of into the feather. cordingly in the machine herein shown the taclrers are arranged to drive the staples so that they will bridge or straddle the be tween substance of the inseam, one leg or prong going: into the welt and the other into the body of the innersole. Advantagcously for the described use. the staple is specially formed in accordance with a feature of this operation.

- spring fi located Within the carriage.

invention, to present a head shaped to the contour of the portion of the work bridged by it and preferably also to presentlegs of suitable relative lengths for the thickness of stock into which they are to 'be driven and under which the ma be clenched.

As shown, the mac ine 1S constructed and pointed out in the claims. v

Figure 1 is a side elevation of a preferred embodiment of the invention; Fi 2 is a front elevation, the shoe being s own in section; Fig. 3 is a perspective view of the upper tightening devices; Fig. 4 is a perspective view of a strip of"staple material and shows staples 'in successive steps of formation; Fig. 5 is a perspective view of a lasted welt shoe after the upper has been tightened and the welt butts positioned by this machine and said parts secured b staples driven in accordance with this invention. Y

The column of the machine supports a driver cam shaft bearin alsoa fast clutch member and a cooperating clutch member which is also a loose pulley and there is provided treadle controlled means for closing the clutch and automatic means for opening the clutch and stopping the machine at the end of one cycle of the machines power These parts. of the machine are similar to those of the ower assembling machine shown in United States Letters Patent No. 1,023,794 granted April 23, 1912, on application of Orrell Ashton, and it is not necessary to describe them here.

From the front side of the machine column projects a bracket 2 upon which a carriage 4 slides in a direction lengthwise of the shoe for movement of the shoe into and out of position to be operated 'upon. A spindle 5 is movable vertically through the carriage, is provided with a last pin on its upper end and is normally upheld .by a light I) ward pressure of a substantial character is effected by a lever 8 pivoted at 9, the horizontal arm of the lever underlying the lower end of the spindle while a vertical arm of the lever is acted upon by a stiff spring 10.

Upper tightening devices are pivotally mounted upon opposite lateral sides of the column and comprise angle levers l5 pivoted on bolts 16 and arranged with their rear arms crossed as in Fig. The front arms of the levers 15 are slotted lengthwise to receive the stems of upper tightening blades 18 which are fixed in adjusted position lengthwise of the shoe for longand short shoes by nuts 19. The levers 15 are actuated in a direction to move the blades 18 inwardly against a shoe for performing their upper tightening function by strong springs 20 which encircle the bolts 16. Re-

. verse movement, of the levers 15 is, effected by the engagement of the rear crossed arms of said levers by the upper end 25 of a bell crank lever, Fig. 1, which is pivoted to the machine column and from the horizontal arm of which a treadle rod 26 extends downwardly. v

A spring 28 is arranged between a collar on the treadle rod and the upper face of lever 8 and through this spring the treadle rod above the shoe by universal joints 30 and have suitable 'ointed connections 32 with the levers 15 y which said. tack driving mechanisms are moved in and out over the shoe bottom and are positioned by-theupper tightening devices properly for fastening the upper, and preferably also the'welt and counter ends, in the positions to which the stock is manipulated by the tightening devices. The tacking mechanisms comprise drivers 35, the heads of the two drivers being located under "the-"opposite ends of 'a block36 pivoted on the front end of the driver lever 38. The drivers extend downwardly through the hall joints 30 and carry collars 34 against which act the driver li'ft- ...ing springs 37. The lower portions of the presenting drivers extend through tack means by which tacks are supplied in position to. be inserted. I

As herein shown the tacks are u ble pointed fastening devices or staples anl the presenting means is arranged to deli er these staples under the drivers in position for the heads of the staples to extend across the inseam adjacent to the tightening devices 18 where one staple leg will be driven through the welt, upper and counterinto the feather of the innersole at the outer side .ofthe channel lip and the other leg of the staple will be driven in o the body portion of the'innersole at th: innerside of the channel lip.

The staple material for each tacking mechanism, in the form shown in Fig. 4, is supplied through a guide IO-by which it is directed into a forming block 42 along Wl'llCll it is fed by the pa n l 4 actamterl by a cam face on a leg 45 do vending from the collar 34 on the driver 35. The ion er end S of the leg 45 is equipped with staple froming projections 46 which cotuierate with the walls of suitably formed recesses in the shaping block 42 for bending the staple material into the desired formv Preferably 10 this form of staple will comprise a head or innersole as shown in Fig. 5.

the body of the innersole at about the same time that the outer leg engages the welt wvhich, as is well understood. will lie in a higher plane than the body of the innersole. For these purposes the forming tools are preferably constructed and arranged to shape the staple material substantially as shown in Fig. l to produce a staple one leg of which is longer than the other and the head or bridge of which is bent to lie in a 80 lower plane at the end adjacent to the inner leg than at the end ai'ijaceot to the outer leg. The staple engaging face of the driv r is also preferably formed with the per-- tion that engages over the end of the inner 85 leg of the staple in a lower plane than the portion which engages over the outer leg of the staple. When a drive thus formed. descends upon the work it approximately the the cross sectional contour of the work at I 40 the staple receiving points so that both legs of the staple are driven firmly. Such a driver might be relied upon alone to bend the head of the staple intv :ip u'epriate form to fit the contour of iii-g work. The staple may ad 'antagrmazsly im so formed :a ihv staphis connected and driver so shaped as to Hum the. outer leg to slant unvarsly.

In the use of the nzachu'u will depress the H adlepressure N then placed a larted s ln. it, upon the spa:

and the carriage haclm-ardly into the ma *is enabled by means of tin handle it chine until the shoe (figures the hack stop 29. He will then relieve the pre; are upon the treadle and allow the springs. a l; to rinse the upper tigh nng: dPCiccH. The o e: dor

con-- trol the closing of the tightening d; \'llt and by his hands upon the shoe lo insure i that said devices enter the welt crease properly and without infinry to the slice. tle

* ma also turn the shoe htiv from side to separating said de h side to facilitate the seating of the blades 18 in. the welt crease and their tightening and contracting action on the stock. If de sired, manual means might be applied for forcing the blades in the direction for tightening the stock but I consider that the springs 20 may be of such strength as to be adequate for this purpose. The upward pressure of the last spindle, ail-grated by the spring 10 presses and holds the shoe firmly up'against the lower face of the blades 18 after the treadle is released. This is important because thereby any tendency which the upper tightening operation might have to lift the stock from the last bottom overcome or prevented and the shoe is up held firmly for the tack driving operation. The double pointed tacks are inserted by the power driven mechanism in response to the closing of the clutch which is effected by a suitable treadle. the upper tightening devices having properly positioned the tackers for the insertion of the staples where they will extend across the same as shown in Fig. 5. The feedinp and shaping of the staples is effected progressively during the successive operations of the tacker. When the shoe hasbeen tacked the treadle rod 26 is again depressed to facilitate the removal of the shoe and the insertion of the next one.

It will he understood that with these novel mechanisms for tightening and fastening the shoe stock of a lasted shoe having a welt crease there may be used mechanism suitably incorporated in the machine for slciving the Welt ends.

Having explained the nature of this invention and described a preferred construction embodying the same, I claim as new and desire to secure by Letters Patent of the United States:

1. A-machine of the class described having. in combination, upper tightening devices to engage opposite sides of a lasted shoe in the welt crease, actuating means normally forcing said dr-aviccs into upper tight; suing; position. manual means for men-con: mg! ihc force of said actuating means and muting said devices \xhile a shoe is ind and governing; the approach of said ah rice. into upper tightening relation to the. shun and means additional to said drivices for guiding the operator in presenting; the shoe with its welt crease in the plane of approacl'i of said devices.

A machine of the class described having. in combination, upper tightening devices to engage opposite sides of a \velted shoe in thrwelt crease, actuating means normally forcing said devices into upper tig itening position, manual means for overcomin the force of said actuating means and ill a shoe is inserted and governing the approach of Said dei'icrs into upper tightening relation to the shoe and means additional to said devices for guiding the operator in presenting the shoe with its welt crease in the plane of approach of said devices, said machine being constructed and arranged to permit the shoe to be laterally vibrated angularly While the tightening devices are ressing it to produce increased tightening e ect.

3. A machine of the class described having, in combination, upper tightening arms bearing welt crease engaging blades and movable about axes substantially perpendicular to the plane of the shoe bottom, extensions formcd on said arms in the rear of said axes, yielding means normally holding the arms with the blades in upper tightening relation, and an actuator arranged to contact with said extensions and to be 0perated by bodily force of the workman to move said arms reversely for the introduction of the shoe between said blades and to control the movement of said blades into crease engaging position, substantially as described.

4. Amachine of the class described having, in combination, upper tightening devices to engage opposite sides of a lasted shoe in the welt crease, a back stop for the shoe, carrier levers for swinging said devices inwardly together toward the shoe positioned against said back stop, and means for holding said devices in different positions of adjustment on said carriers to adapt them for different lengths of shoes.

5. A machine of the class described having, in combination, upper tightening devices to engage opposite sides of a welted shoe in the welt crease, actuating means normally forcing said devices into upper tightening position, manual means for overcoming the force of said actuating means and separating said devices while a shoe is inserted and governing the approach of said devices into upper tightening relation to the shoe, tackers suspended from above the shoe in fixed relation to the tightening devices laterally of the shoe and moved into positions over the shoe welt bv the upper tightening devices and power riving mechanism for said tackcrs arranged to be set,into operation by the workman after he has tightened the upper by the use of said devices.

6. A machine of the class described having, in combination, upper tightening devices to engage opposite sides of a lasted shoe in the welt crease, and devices arranged relatively thereto to position staples at each side of the shoe across the inseam and to insert said staples with one leg through the upper at the outer side of the innersole channel lip and the other leg into the body of the shoe m the welt crease, and power driven mechanisms positioned by said upper tightening devices to locate staples where they will extend across the inseam at each side of the shoe and operated to insert said staples.

8. A machine of the class described having, in combination, upper tightening devices to engage opposite sides of a lasted shoe in the welt crease, and power driven mechanisms positioned by said upper tightening devices to locate staples where they will extend across the inseam at each side of the shoe and operated to drive said staples into positions where one portion of the head of each staple will lie substantially in the plane of the top of the inseam and another portion will lie in substantially the plane of the body of the innersole.

9. A machine of the class described having, in combination, upper tightening devices to engage opposite sides of a lasted shoe in the welt crease, and power driven mechanisms positioned by said upper tightening devices to locate staples where they will extend across the inseam at each side of the shoe and operated to insert said staples, said mechanism comprising driver bars the lower end faces of which are contoured to fit across the inseam and rest down upon the body of the innersole at the inner side of the inseam.

10. A machine of the class described havwill extend across the inseam at each side v of the shoe, and including means for feeding the staples and for driving them having provisions for forming portions of the heads of the staples into two planes to enable them to fit the contour of the portions of the above mentioned shoe into which they are driven.

11. A machine of the class described having, in combination, upper tightening devices to engage opposite sides of a welted shoe in the welt crease, and power driven mechanisms to insert staples across the inseam with one leg going through the welt, upper and counter into the feather of the innersole on the outer side of the channel lip and the other going into the body of the innersole on the inner side of the channel lip, and staple presenting means operating to shape the staples so that the points of the inner and the outer legs will evenly engage the respective surfaces to which thev are presented. a

12. A machine of the class described having, in combination, upper tightening do vices to engage opposite sides of a lasted shoe in the welt crease, power driven mechanism! to insert staples across the inseam wlth'on leg going through the Welt, upper and coun meson i 5 mally forcing said loviccs into upper tight lining poeitiormanna: till-4* for ovcrcoming the for oi f atria means to allow said do. one to eepa I the mint dilation and ronwval of a shoe, a vertically movable sepport for the shoe spring for .upwardl v preaeing said support, and connections from said manual means through which the upward pressure is relieved when closing pressure on the tightening devices is relieved.

17. A. machine of the class described having, in combinatiim, upper tightening devices to engage opposite sides of it lasted shoe in the welt creaee, actuating means normally forcing said devices into upper tightening position, ianual means for overcoming the force of said actuating means to allow said devices to separate for the inlil'wlllcfl l ll and removal of a shoe, a vertically momble support for the shoe, a lever for raising said support, lifting means acting through said lever, and connections from said manual means to the lever for relieving the lifting pressure on the shoe support.

lC%. A machine of the class described havmg, in combination, upper tightening devices. to engage opposite sides of a lasted shoe in the Welt crease, actuating means normally forcing said devices into upper tightening position, manual means for oven coming the force of said actuating means to allow said devices to separate for the introduction and removal of a shoe, a last spindle, a carriage in which the spindle is n? "chilly in vahlo, a track on which the cit fingo can elide lengthwise of the shoe, a, lever lllldllll'lylllg the spindl a spring actuating the lever to prose the spindle up ward, a treadle rod through which said nmnoal means caused to relieve the clos ing piesnre on the tightening devices, and

. *ion from tlnfitrem i. rod to the ongh vhiipzh the mil on the epindlo relieved we care on. tlir-fiiglitoning devices ,,.l is reatm'ml Wll l the losing iored, 7

19 A. me e of the clan? described having, in combination, means to engage a well; Bil-1K5 between the well: and upper in position en the npper over the last, and means ranged to present and insert a staple exaneversely across the lllfli'tfflfl 'ith the outer side of the i1 1m and on the inner side of the inter into the feather of the imie 'eole on the outer side of the channel lip and the other going into the body of the in neieolo on the in nor side of the channel lip, and staple pre senting moans (i -aerating to shape the staples so that the portion of the staple head which to extend inwardly from the channel lip shall lie in an appropriately lower plane than the portion of the head which is to overlie the inseam. r

13. A machine of the class described having, in combination, an upper tightening device adapted to engage a \velted shoe in the Welt crease near the butt end of the Welt for forcing the shoe stock into position to be secured, and mechanism arranged to operate in relation to said device to present a staple so that it will extend across the inseam and to drive the staple with one leg going through the upper and Welt into the feather of the innersolc on the outer side of the channel lip and the other leg goiilg into the body of the innersole at the inner side of the channel li 14. A machine of the. class deec 'ioed ha v-- ing, in combination, an. upper tightening device adapted to engage a lasted shoe in the Welt crease near the butt end of the Welt for forcing the shoe stock into position to be cured, and mechanism arranged to operate in relation to said device to present a staple so that it will extend across the inseam With the portion of its head which directly above the inseam in a higher plane than the portion of its head which is nearer the middle of the shoe and to dri e the staple with one leg going through the upper and Welt into the feather of the innerraole on the outer side of the channel lip and the other leg going into the body of the innersole at the inner side of the channel lip.

15. A machine of the class describe vice adapted to engage welt croae near the butt end cl ti 7 welt for forcing the shoe stool: into position to he secured, and mechanism arranged to opera e in relation to said device to preaent st so that it will extend across the inseam to drive the staple with one leg g through the upper and Welt into the feather of the innersole on the outer side of the channel lip and the other going into the body of the innersole at the inner side of the channel lip. said staple presenting and rlriving mechanism operating to hend one new tion of the head of the staple into a plane than another portion an the staple across the inseam. a tightening device with the hi of the staple heed directly :1

158. A machine of the clue;

it do l we ted and lasted, sh tree?ine inenne roiiiprimng mind tenet engagingfrmii (1 lie ing, in combination, upper t to the welt crease at the wait mils and forcing vices to engage opposite a lasted the upper parts toward the medial line of shoe in the welt crease, actuating means new the insole, and staple thriving means having delivery tubes bridging the channel lips and operating adjacent the blades when the upper parts are in contractedposition.

21. A machine of the class described having, in combination, upper tightening devices to engage opposite sides of a lasted shoe in the welt crease, carrier levers for swinging said devices inwardly together toward a shoe positioned between them, tackers mounted for movement with said tightening devices laterally of the shoe, and means for holding said devices and the tackers on said carrier levers in different positions of adjustmentrelatively to each other and longitudinally, of the shoe to adapt them for use on different classes of work.

22. A machine of the class described'having, in combination, upper tightening devices to engage opposite sides of a welted shoe in the welt crease, means for actuating said devices into upper tightening position, tackers rigidly connected with said upper tightening devices for movement into positions over the shoe'welt by the upper tightening devices, and power driven mechanism for said tackers arranged to be set into operation by the workman after he has tightened the upper by the use of said devices.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

SAMUEL J. WENTWORTH.

Witnesses:

OLIVER B. KAISER, Louise A. BECK. 

